EolUndefined (Eclipse Epsilon Object Language Engine 2.4.0 API)

java.lang.Object
- org.eclipse.epsilon.eol.types.EolAny
- - org.eclipse.epsilon.eol.types.EolUndefined

All Implemented Interfaces:

IUndefined
```
public final class EolUndefined
extends EolAny
implements IUndefined
```
Represents null which can be used by the engine to represent the absence of a variable, useful for the isDefined() operation.

Since:

1.6

Author:

Sina Madani

- Field Summary
  
  Fields
  Modifier and Type Field Description
  
  static EolUndefined INSTANCE
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  boolean isDefined()
  
  boolean isUndefined()
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

INSTANCE

public static final EolUndefined INSTANCE

Method Detail

isDefined
```
public boolean isDefined()
```

isUndefined
```
public boolean isUndefined()
```